A resonance Raman study of new pyrrole-anchoring dyes for NiO-sensitized solar cells.

Gareth H. Summers, Grace Lowe, Jean-Francois Lefebvre, Simbarashe Ngwerume, Maximilian Brautigam, Benjamin Dietzek, Jason E. Camp, Elizabeth A. Gibson

Research output: Contribution to journalArticle

Abstract

Three dyes for p-type dye-sensitised solar cells containing a novel doubly anchored pyrrole donor group were synthesised and their solar cell performances were evaluated. Dye 1 was comprised of a phenyl-thiophene linker and a maleonitrile acceptor, which has been established as an effective motif in other push-pull dyes. Two boron dipyrromethane analogues, dyes 2 and 3, were made with different linker groups to compare their effect on the behaviour of these dyes adsorbed onto nickel oxide (dye|NiO) under illumination. The photo-excited states of dye|NiO were probed using resonance Raman spectroscopy and compared to dyes anchored using the conventional 4-aminobenzoic acid moiety (P1 and 4). All three components, the anchor, the linker and the acceptor group were found to alter both the electronic structure following excitation and the overall solar cell performance. The bodipy acceptor gave a better performance than the maleonitrile acceptor when the pyrrole anchor was used, which is the opposite of the triphenylamine push-pull dyes. The linker group was found to have a large influence on the short-circuit current and efficiency of the p-type cells constructed.
Original languageEnglish
Pages (from-to)406-414
Number of pages9
JournalChemical Physics and Physical Chemistry
Volume18
Issue number4
Early online date11 Nov 2016
DOIs
Publication statusPublished - 17 Feb 2017

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Pyrroles
Solar cells
Coloring Agents
Anchors
4-Aminobenzoic Acid
Thiophenes
Boron
Excited states
Short circuit currents
Electronic structure
Raman spectroscopy
Lighting

Cite this

Summers, G. H., Lowe, G., Lefebvre, J-F., Ngwerume, S., Brautigam, M., Dietzek, B., ... Gibson, E. A. (2017). A resonance Raman study of new pyrrole-anchoring dyes for NiO-sensitized solar cells. Chemical Physics and Physical Chemistry, 18(4), 406-414. https://doi.org/10.1002/cphc.201600846
Summers, Gareth H. ; Lowe, Grace ; Lefebvre, Jean-Francois ; Ngwerume, Simbarashe ; Brautigam, Maximilian ; Dietzek, Benjamin ; Camp, Jason E. ; Gibson, Elizabeth A. / A resonance Raman study of new pyrrole-anchoring dyes for NiO-sensitized solar cells. In: Chemical Physics and Physical Chemistry. 2017 ; Vol. 18, No. 4. pp. 406-414.
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Summers, GH, Lowe, G, Lefebvre, J-F, Ngwerume, S, Brautigam, M, Dietzek, B, Camp, JE & Gibson, EA 2017, 'A resonance Raman study of new pyrrole-anchoring dyes for NiO-sensitized solar cells.', Chemical Physics and Physical Chemistry, vol. 18, no. 4, pp. 406-414. https://doi.org/10.1002/cphc.201600846

A resonance Raman study of new pyrrole-anchoring dyes for NiO-sensitized solar cells. / Summers, Gareth H.; Lowe, Grace; Lefebvre, Jean-Francois; Ngwerume, Simbarashe; Brautigam, Maximilian; Dietzek, Benjamin; Camp, Jason E.; Gibson, Elizabeth A.

In: Chemical Physics and Physical Chemistry, Vol. 18, No. 4, 17.02.2017, p. 406-414.

Research output: Contribution to journalArticle

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AU - Summers, Gareth H.

AU - Lowe, Grace

AU - Lefebvre, Jean-Francois

AU - Ngwerume, Simbarashe

AU - Brautigam, Maximilian

AU - Dietzek, Benjamin

AU - Camp, Jason E.

AU - Gibson, Elizabeth A.

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Y1 - 2017/2/17

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AB - Three dyes for p-type dye-sensitised solar cells containing a novel doubly anchored pyrrole donor group were synthesised and their solar cell performances were evaluated. Dye 1 was comprised of a phenyl-thiophene linker and a maleonitrile acceptor, which has been established as an effective motif in other push-pull dyes. Two boron dipyrromethane analogues, dyes 2 and 3, were made with different linker groups to compare their effect on the behaviour of these dyes adsorbed onto nickel oxide (dye|NiO) under illumination. The photo-excited states of dye|NiO were probed using resonance Raman spectroscopy and compared to dyes anchored using the conventional 4-aminobenzoic acid moiety (P1 and 4). All three components, the anchor, the linker and the acceptor group were found to alter both the electronic structure following excitation and the overall solar cell performance. The bodipy acceptor gave a better performance than the maleonitrile acceptor when the pyrrole anchor was used, which is the opposite of the triphenylamine push-pull dyes. The linker group was found to have a large influence on the short-circuit current and efficiency of the p-type cells constructed.

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